Do i have to define the variable again and again?

Question

i assigned a variable x value 12 and used do while..
when i used switch it wasnt working. it worked when i reassigned the value 12 to x after do while. why do i need to do this?

Answer 1

Please show your code. Otherwise all we can do is have a guess

https://www.sololearn.com/Discuss/1316935/welcome-to-sololearn-forum/